Dipankar Banerjee
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View article: Polar Filaments Capture High-latitude Solar Poloidal Field Interactions and Can Foretell the Future Sunspot Cycle Amplitude before Polar Field Precursors
Polar Filaments Capture High-latitude Solar Poloidal Field Interactions and Can Foretell the Future Sunspot Cycle Amplitude before Polar Field Precursors Open
Polar fields at the minimum of a sunspot cycle—which are a manifestation of the radial component of the Sun’s poloidal field—are deemed to be the best indicator of the strength of the toroidal component and hence, the amplitude of the futu…
View article: Polar Filaments Capture High Latitude Solar Poloidal Field Interactions and can Foretell the Future Sunspot Cycle Amplitude before Polar Field Precursors
Polar Filaments Capture High Latitude Solar Poloidal Field Interactions and can Foretell the Future Sunspot Cycle Amplitude before Polar Field Precursors Open
Polar fields at the minimum of a sunspot cycle -- which are a manifestation of the radial component of the Sun's poloidal field -- are deemed to be the best indicator of the strength of the toroidal component, and hence the amplitude of th…
View article: The Effect of Poloidal Magnetic Field and Helicity Injection in a Breakout Coronal Mass Ejection
The Effect of Poloidal Magnetic Field and Helicity Injection in a Breakout Coronal Mass Ejection Open
Coronal mass ejections (CMEs), as crucial drivers of space weather, necessitate a comprehensive understanding of their initiation and evolution in the solar corona in order to better predict their propagation. Solar Cycle 24 exhibited lowe…
View article: 31 Effect of dietary terpenoids on skin health
31 Effect of dietary terpenoids on skin health Open
View article: Backtracking Bipolar Magnetic Regions to their emergence: Two groups and their implication in the tilt measurements
Backtracking Bipolar Magnetic Regions to their emergence: Two groups and their implication in the tilt measurements Open
Bipolar Magnetic Regions (BMRs) that appear on the solar photosphere are surface manifestations of the solar internal magnetic field. With modern observations and continuous data streams, the study of BMRs has moved from manual sunspot cat…
View article: The effect of poloidal magnetic field and helicity injection on a breakout CME
The effect of poloidal magnetic field and helicity injection on a breakout CME Open
Coronal mass ejections (CMEs), as crucial drivers of space weather, necessitate a comprehensive understanding of their initiation and evolution in the solar corona, in order to better predict their propagation. Solar Cycle 24 exhibited low…
View article: FACTORS INFLUENCING THE PROFITABILITY OF SELECT FMCG COMPANIES IN INDIA DURING PRE-COVID PERIOD: A PANEL DATA ANALYSIS
FACTORS INFLUENCING THE PROFITABILITY OF SELECT FMCG COMPANIES IN INDIA DURING PRE-COVID PERIOD: A PANEL DATA ANALYSIS Open
View article: Insights into chromospheric large-scale flows using Nobeyama 17 GHz radio observations
Insights into chromospheric large-scale flows using Nobeyama 17 GHz radio observations Open
Context. Although the differential rotation rate on the solar surface has long been studied using optical and extreme ultraviolet (EUV) observations, associating these measurements with specific atmospheric heights remains challenging due …
View article: Properties of Slow Magnetoacoustic Waves Observed Simultaneously Using Hi-C 2.1 and AIA
Properties of Slow Magnetoacoustic Waves Observed Simultaneously Using Hi-C 2.1 and AIA Open
Propagating slow magnetoacoustic waves are commonly observed in different coronal structures but are most prominent in active region fan loops. Their rapid damping with damping lengths of the order of a wavelength has been investigated in …
View article: Spectroscopic and photometric insights into the early evolution of Nova V6594 Sgr
Spectroscopic and photometric insights into the early evolution of Nova V6594 Sgr Open
We present multi-epoch optical photometric and spectroscopic observations of the Nova V6594 Sgr, discovered in outburst on 2021 March 25.29 ut. The light curve analysis reveals the characteristics of a fast nova, with decline time-scales o…
View article: X-class Flare on 2023 December 31 Observed by the Solar Ultraviolet Imaging Telescope on Board Aditya-L1
X-class Flare on 2023 December 31 Observed by the Solar Ultraviolet Imaging Telescope on Board Aditya-L1 Open
We present the multiwavelength study of the ejection of a plasma blob from the limb flare SOL2023-12-31T21:36:00 from NOAA 13536 observed by the Solar Ultraviolet Imaging Telescope (SUIT) on board Aditya-L1. We use SUIT observations along …
View article: Ca <scp>ii</scp> K Polar Network Index of the Sun: A Proxy for Historical Polar Magnetic Field
Ca <span>ii</span> K Polar Network Index of the Sun: A Proxy for Historical Polar Magnetic Field Open
The Sun’s polar magnetic field is pivotal in understanding solar dynamo processes and forecasting future solar cycles. However, direct measurements of the polar field have only been available since the 1970s. The chromospheric Ca ii K pola…
View article: Near- and Mid-ultraviolet Observations of X-6.3 Flare on 2024 February 22 Recorded by the Solar Ultraviolet Imaging Telescope on board Aditya-L1
Near- and Mid-ultraviolet Observations of X-6.3 Flare on 2024 February 22 Recorded by the Solar Ultraviolet Imaging Telescope on board Aditya-L1 Open
Solar flares are regularly observed in extreme-ultraviolet soft X-rays (SXRs) and hard X-rays (HXRs). However, those in near- and mid-ultraviolet are sparse. The Solar Ultraviolet Imaging Telescope (SUIT) on board the Aditya-L1, launched o…
View article: Near and Mid UltraViolet Observations of X-6.3 flare on 22nd February 2024 recorded by the Solar Ultraviolet Imaging Telescope on board Aditya-L1
Near and Mid UltraViolet Observations of X-6.3 flare on 22nd February 2024 recorded by the Solar Ultraviolet Imaging Telescope on board Aditya-L1 Open
Solar flares are regularly observed in extreme ultraviolet (EUV), soft X-rays (SXR), and hard X-rays (HXR). However, those in near and mid-UV are sparse. The Solar Ultraviolet Imaging Telescope (SUIT) onboard the Aditya-L1, launched on 2nd…
View article: Estimation of Polar Magnetic Fields using Ca II K Polar Network as a Proxy
Estimation of Polar Magnetic Fields using Ca II K Polar Network as a Proxy Open
The polar magnetic field plays a crucial role in the solar dynamo model and contributes to predicting future solar cycles. However, continuous and direct measurements of this polar field have been available only since 1976, with data provi…
View article: Ca II K Polar Network Index of the Sun: A Proxy for Historical Polar Magnetic Field
Ca II K Polar Network Index of the Sun: A Proxy for Historical Polar Magnetic Field Open
The Sun's polar magnetic field is pivotal in understanding solar dynamo processes and forecasting future solar cycles. However, direct measurements of the polar field is only available since the 1970s. The chromospheric Ca II K polar netwo…
View article: On the Existence of Long-period Decayless Oscillations in Short Active Region Loops
On the Existence of Long-period Decayless Oscillations in Short Active Region Loops Open
Decayless kink oscillations, characterized by their lack of decay in amplitude, have been detected in coronal loops of varying scales in active regions, the quiet Sun, and coronal holes. Short-period (<50 s) decayless oscillations have bee…
View article: Exploring the variation in the dynamic rotation profile of the hotter solar atmosphere using mutliwavelength data
Exploring the variation in the dynamic rotation profile of the hotter solar atmosphere using mutliwavelength data Open
The global rotational profile of the solar atmosphere and its variation at different layers, although crucial for a comprehensive understanding of the dynamics of the solar magnetic field, has been a subject to contradictory results throug…
View article: Study of Wind pattern at the incursion site of Pangong Tso near Merak Village
Study of Wind pattern at the incursion site of Pangong Tso near Merak Village Open
View article: Butterfly Diagram and Other Properties of Plage Areas from Kodaikanal Ca ii K Photographs Covering 1904 – 2007
Butterfly Diagram and Other Properties of Plage Areas from Kodaikanal Ca ii K Photographs Covering 1904 – 2007 Open
Ca ii K observations of the Sun have a great potential for probing the Sun’s magnetism and activity, as well as for reconstructing solar irradiance. The Kodaikanal Solar Observatory (KoSO) in India, houses one of the most prominent Ca ii K…
View article: On the Existence of Long-Period Decayless Oscillations in Short Active Region Loops
On the Existence of Long-Period Decayless Oscillations in Short Active Region Loops Open
Decayless kink oscillations, characterized by their lack of decay in amplitude, have been detected in coronal loops of varying scales in active regions, quiet Sun and coronal holes. Short-period (< 50 s) decayless oscillations have been de…
View article: Exploring the Dynamic Rotational Profile of the Hotter Solar Atmosphere: A Multiwavelength Approach Using SDO/AIA Data
Exploring the Dynamic Rotational Profile of the Hotter Solar Atmosphere: A Multiwavelength Approach Using SDO/AIA Data Open
Understanding the global rotational profile of the solar atmosphere and its variation is fundamental to uncovering a comprehensive understanding of the dynamics of the solar magnetic field and the extent of coupling between different layer…
View article: Exploring the dynamic rotational profile of the hotter solar atmosphere: A multi-wavelength approach using SDO/AIA data
Exploring the dynamic rotational profile of the hotter solar atmosphere: A multi-wavelength approach using SDO/AIA data Open
Understanding the global rotational profile of the solar atmosphere and its variation is fundamental to uncovering a comprehensive understanding of the dynamics of the solar magnetic field and the extent of coupling between different layer…
View article: Butterfly Diagram and Other Properties of Plage Areas from Kodaikanal Ca II K Photographs Covering 1904-2007
Butterfly Diagram and Other Properties of Plage Areas from Kodaikanal Ca II K Photographs Covering 1904-2007 Open
Ca II K observations of the Sun have a great potential for probing the Sun's magnetism and activity, as well as for reconstructing solar irradiance. The Kodaikanal Solar Observatory (KoSO) in India, houses one of the most prominent Ca II K…
View article: Butterfly Diagram and other properties of plagecareas from Kodaikanal Ca II K Photographs Coveringc1904 – 2007
Butterfly Diagram and other properties of plagecareas from Kodaikanal Ca II K Photographs Coveringc1904 – 2007 Open
Ca II K observations of the Sun have a great potential for probing the Sun's magnetism and activity, as well as for reconstructing solar irradiance. The Kodaikanal Solar Observatory (KoSO) in India, houses one of the most prominent \ca arc…
View article: Probing Velocity Dispersion Inside Coronal Mass Ejections: New Insights on Their Initiation
Probing Velocity Dispersion Inside Coronal Mass Ejections: New Insights on Their Initiation Open
This work studies the kinematics of the leading edge and the core of six coronal mass ejections (CMEs) in the combined field of view of Sun Watcher using Active Pixel System detector and Image Processing (SWAP) on board PRoject for On-Boar…
View article: Global Coronal Plasma Diagnostics Based on Multislit Extreme-ultraviolet Spectroscopy
Global Coronal Plasma Diagnostics Based on Multislit Extreme-ultraviolet Spectroscopy Open
Full-disk spectroscopic observations of the solar corona are highly desired to forecast solar eruptions and their impact on planets and to uncover the origin of solar wind. In this paper, we introduce a new multislit design (five slits) to…
View article: Multiphase flow challenges in drilling, completions, and injection: Part 1
Multiphase flow challenges in drilling, completions, and injection: Part 1 Open
This review addresses the diverse applications of multiphase flows, focusing on drilling, completions, and injection activities in the oil and gas industry. Identifying contemporary challenges and suggesting future research directions, it …
View article: Analysis of BMR Tilt from AutoTAB Catalog: Hinting toward the Thin Flux Tube Model?
Analysis of BMR Tilt from AutoTAB Catalog: Hinting toward the Thin Flux Tube Model? Open
One of the intriguing mechanisms of the Sun is the formation of bipolar magnetic regions (BMRs) in the solar convection zone (CZ), which are observed as regions of concentrated magnetic fields of opposite polarity on the photosphere. These…
View article: Analysis of BMR tilt from AutoTAB catalog: Hinting towards the thin flux tube model?
Analysis of BMR tilt from AutoTAB catalog: Hinting towards the thin flux tube model? Open
One of the intriguing mechanisms of the Sun is the formation of the bipolar magnetic regions (BMRs) in the solar convection zone which are observed as regions of concentrated magnetic fields of opposite polarity on photosphere. These BMRs …